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Enhanced GeoGebra MCP

Enhanced GeoGebra MCP

by tiwe0
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

Close GeoGebra Session

ggb_close_session

Close an active GeoGebra browser page and release its session resources to prevent resource leaks and maintain a clean state.

Instructions

Close a GeoGebra browser page and release its session resources.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "sessionId": "<sessionId>"
    },
    "name": "ggb_close_session"
  }
}

Input Schema

NameRequiredDescriptionDefault
sessionIdYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.2/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description must disclose behavior. It notes the action of closing a browser page and releasing resources, which is meaningful, but lacks details on error handling, idempotency, or prerequisites. Some behavioral context is present, but significant gaps remain.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence of 13 words, front-loaded with the action. Every word earns its place without unnecessary fluff.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple tool with one parameter and no output schema, the description covers the core purpose but omits edge cases like invalid session IDs or whether closing is idempotent. It is minimally adequate but could be richer given the absence of annotations.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has one required parameter, sessionId, with 0% description coverage. The description does not mention or explain this parameter, adding no semantic value beyond the parameter name. This fails to compensate for the low schema coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the action ('close') and resource ('GeoGebra browser page'), and adds detail about releasing session resources. This distinguishes it from sibling tools like 'ggb_reset' and 'ggb_create_session'.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is given on when to use this tool versus alternatives. It does not mention conditions like needing an active session or contrast with similar tools like ggb_reset or ggb_list_sessions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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